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// STALE Observation is 1h 0m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 0m ago · STALE

KOTM

Ottumwa Regional Airport
CAT VFR
WIND 350° / 10 kt
VIS 10+ SM
CEILING CLR
T/Td 13.9°C / 11.1°C
ALTIM 29.99 inHg
ELEV 845 FT
41.1064°N / 92.4498°W
LOCATION · Ottumwa, US
N
WIND
350°10 kt
KOTM · 845 FT
© OSM · CartoDB

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 09Z
+6H
+12H
+18H
WIND
350°/10
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
14 / 11
 
 
 
ALTIM
29.99"
 
 
 

// Interpretation

VFR with moderate winds at 350°/10 kt. Visibility better than 10 statute miles and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KOTM 270953Z AUTO 35010KT 10SM CLR 14/11 A2999 RMK AO2 SLP151 T01390111

KOTM · day 27 at 09:53 UTC · wind from 350° at 10 kt · visibility 10+ SM · temp 14°C / dewpoint 11°C · altimeter 29.99" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.1 mb

// Runway analysis · computed from current METAR wind

Wind 350° @ 10 kt
2 USABLE · 2 AVOID · 2 CAUTION
N
WIND
350°10 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
31 HDG 310° H8 kt X6 kt RIGHT PRIMARY · 6,001'
04 HDG 040° H6 kt X8 kt LEFT ⚠ HIGH XW · 80%
TAILWIND ENDS · AVOID 2 ends
22 HDG 220° T6 kt X8 kt RIGHT
13 HDG 130° T8 kt X6 kt LEFT
Pattern altitude: 1,845 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA +0°C

800FT
-45 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
2,800 1,650 500
24h AGO18h12h6hNOW
FIELD ELEV845 FT OAT+14°C ISA DELTA+0°C PRESSURE ALT771 FT
// Performance equivalent Operating here right now feels like operating at KCID (The Eastern Iowa Airport, Cedar Rapids, elev 869 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+8%
-6%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+6%
-4%
Light jetCJ4, Phenom 300, M2
+3%
-2%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 7,865 FT KOTM ELEV · 845 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL7,865 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

10:43ZSUNRISE
18:08ZSOLAR NOON
01:33ZSUNSET
02:05ZCIVIL END
CURRENT10:53Z DAYLIGHT REMAINING14h 39m VFR NIGHT BEGINS02:05Z (15h 12m) DAY LENGTH14h 49m
Waxing Gibbous
ILLUMINATION83% MOONRISE19:26Z MOONSET10:15Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

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